Email Marketing – Email Volume Up 5%; Opens Highest on Saturdays, Sundays : MarketingProfs Article

Email volume increased 5.4% in the fourth quarter of 2012 vs. the same period a year earlier, though volume levels varied dramatically by industry, according to the Experian Marketing Services 2012 Q4 email benchmark report, which also found that email open rates were on average highest on Saturdays and Sundays.